Triple
T38063816
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MTR East Rail line |
E950416
|
entity |
| Predicate | usesRollingStock |
P5426
|
FINISHED |
| Object |
SP1900 EMU
The SP1900 EMU is a class of electric multiple unit trains operated in Hong Kong, primarily known for serving commuter services on the MTR network.
|
E2257182
|
NE FINISHED |
How this triple was built (2 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: SP1900 EMU | Statement: [MTR East Rail line, usesRollingStock, SP1900 EMU]
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: SP1900 EMU Triple: [MTR East Rail line, usesRollingStock, SP1900 EMU]
Generated description
The SP1900 EMU is a class of electric multiple unit trains operated in Hong Kong, primarily known for serving commuter services on the MTR network.
Provenance (5 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69f76f01e63c819093b6012fc974f35a |
completed | May 3, 2026, 3:51 p.m. |
| NER | Named-entity recognition | batch_69fbca364e74819087898e1aada08f15 |
completed | May 6, 2026, 11:09 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a41711583d48190abb48a582b187fc5 |
completed | June 28, 2026, 7:08 p.m. |
| NEDg | Description generation | batch_6a4171ad1d008190b1a90e6655a513c5 |
completed | June 28, 2026, 7:10 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a417202bf808190bf883cc1bca4511a |
completed | June 28, 2026, 7:12 p.m. |
Created at: May 3, 2026, 4:21 p.m.